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Pleshette Houston
physiology wk 1-7
Term | Definition |
---|---|
What is Homeostasis? | stability, balance, or equalibrium with in a cell or the body. It is an organism's ability to keep a constant internal envirnment |
Negative feed back | The response will reverse or give the opposite effect of the original stimulus |
Positive feed back | Amplifies changes rather than reverse them |
what are Biomolecules | Molecules made in the body |
Atom | The basic unit of matter |
Carbohydrates, Lipids, Protiens and Nucleic Acids | The 4 molecules of life |
Meiosis | cell division of germ cells in sexual reproducing organisms that produces the gametes such as sperm or egg cells |
Mitosis | part of the cell cycle where replicated chromosomes are separated into 2 nuclei |
Tissue | a group of similar cells that perform a common function |
How many layers does the skin have | 3-Epidermis, Dermis, & Hypodermis |